What is the trick to configuring Couenne? I have tried several things, but I cannot get passed this error.<br><br>[magala@orclus71 build]$ ls ThirdParty/HSL/<br>config.log config.status dummy.lo <a href="http://libcoinhsl.la">libcoinhsl.la</a> Makefile<br>
<br><br><br>Problem size before reformulation: 14247 variables (4729 integer), 9750 constrai nts.<br>Couenne: reformulation time 16.536s<br>Problem size after reformulation: 19289 variables (4749 integer), 5021 constrai nts.<br>
Exception of type: OPTION_INVALID in file "../../../../Ipopt/src/Algorithm/IpAlg Builder.cpp" at line 275:<br> Exception message: Selected linear solver MA27 not available.<br>
Tried to obtain MA27 from shared library "libhsl.so", but the following error oc cured:<br>libhsl.so: cannot open shared object file: No such file or directory<br>
<br>EXIT: Invalid option encountered.<br>Segmentation fault<br>[magala@orclus71 build]$<br><br>